.yuantu{
	margin-left: 65px;
	width: 200px;
	height: 100px;
	text-align: left;
}
.first{height: 400px;
		width: 90%;
		background-image: url(../img/1.jpg);
}
a:link,a:visited{
		 text-decoration:none;  
			
		}
		a:hover{
		 text-decoration:underline; 
	
		}
		a:active {color:blueviolet}
		.h1{color: red;}
		.h2{color: white;}
		.stylehu {
			margin-left: 65px;
		    width: 300px;
		    height: 300px;
		    float: left;
		    background-image: url(../img/a0.jpg);
		    padding-top: 100px;
		  }
		 .stylebo{width: 300px;
			 height: 300px;
			 background-image: url(../img/b0.jpg); 
			 float: right;
			 padding-top: 100px;
			 margin-right: 65px;
		 }	
		 .stylehua{
		 	width: 300px; 
		 	height: 300px; 
		 	
		 	background-image: url(../img/h0.jpg);
		 	padding-top: 100px;
		 	align-content: center;
		 }
		 .fenzhi{
		 	margin-bottom: 70px;
		 }
		 #upyi{
		 	margin-left: 40%;
		 	margin-top: -90px;
		 	height: 20px;
		 }
		